D. Eric Zimmer

NRC Gulf Environmental Services, Inc. provides environmental emergency response, industrial maintenance and remediation services. It offers vacuum truck services for oil and gas production, refining, marketing, and power generation, shipping and transportation. The firm also provides emergency spill response, disaster recovery, site remediation, demolition/dismantlement, waste management and specialized maintenance programs. The company was founded in 1990 and is headquartered in Panama City Beach, FL.

Synagro Technologies, Inc. engages in recycling of organic by-products. Its products include granulite fertilizer pellets, lime, and renewable fuel. It serves the municipalities, farmers, and communities. The company was founded in 1986 and is headquartered in Baltimore, MD.

Westinghouse Corp. is an American company that specializes in providing safe and innovative nuclear and other clean power technologies and services. With over 135 years of innovation, Westinghouse is the preferred partner for advanced technologies covering the complete nuclear energy life cycle. The private company supplied the world's first commercial pressurized water reactor in 1957, and its technology is the basis for nearly one-half of the world's operating nuclear plants.

Safety-Kleen Corp. used to provide environmental and cleaning services. It provided services designed to collect, transport, process, recycle or dispose of hazardous and non-hazardous industrial and commercial waste streams. The Company provided these services in 50 states, ten Canadian provinces, Puerto Rico, Mexico and Saudi Arabia from collection, processing and other locations. It was founded in Milwaukee in 1963 by Ben Palmerand and was located in Columbia, SC